STUART DORMAN - 30 Jan 2026 Form 4 Insider Report for IDEAYA Biosciences, Inc. (IDYA)

Role
Chief Commercial Officer
Signature
/s/ Joshua Bleharski, as Attorney-in-Fact for Stuart Dorman
Issuer symbol
IDYA
Transactions as of
30 Jan 2026
Net transactions value
$0
Form type
4
Filing time
02 Feb 2026, 20:00:11 UTC
Previous filing
28 Feb 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
DORMAN STUART Chief Commercial Officer C/O IDEAYA BIOSCIENCES, INC., 5000 SHORELINE COURT, SUITE 300, SOUTH SAN FRANCISCO /s/ Joshua Bleharski, as Attorney-in-Fact for Stuart Dorman 02 Feb 2026 0002047580

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction IDYA Stock Option (right to buy) Award $0 +155,000 $0.000000 155,000 30 Jan 2026 Common Stock 155,000 $32.19 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 25% of the shares subject to the option vest on the first anniversary measured from January 1, 2026 (the "Vesting Commencement Date"), and 1/48th of the total number of shares vest monthly thereafter, such that 100% of the shares subject to the option will be fully vested and exercisable on the fourth anniversary of the Vesting Commencement Date.